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/*
* Copyright (c) 2020-2021, yzrh <yzrh@noema.org>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdint.h>
/*
* order (MSB first):
* 0
* 0
* 0
* 0
* HITOLO
* SEQ
* ILEAVE (default)
* SMID (default)
*
* options (MSB first):
* 0
* LRLTWO
* VLENGTH
* TPDON (default)
* TPBON (default)
* DPON (default)
* DPPRIV
* DPLAST
*/
typedef struct _bih_t {
char d_l; /* Initial resolution layer */
char d; /* Final resolution layer */
char p; /* Number of bit-planes, for bi-level image, always 1 */
char fill; /* Always 0 */
/* MSB first */
int32_t x_d; /* Horizontal dimension at highestresolution */
int32_t y_d; /* Vertical dimension at highest resolution */
int32_t l_0; /* Number of lines per stripe at lowest resolution */
char m_x; /* Maximum horizontal offsets (default: 8) */
char m_y; /* Maximum vertical offsets (default: 0) */
char order;
char options;
char *dptable; /* 0 or 1728 */
} bih_t;
typedef enum _dib_compression_code {
BI_RGB,
BI_RLE8,
BI_RLE4,
BI_BITFIELDS,
BI_JPEG,
BI_PNG,
BI_ALPHABITFIELDS,
BI_CMYK = 11,
BI_CMYKRLE8 = 12,
BI_CMYKRLE4 = 13
} dib_compression_code;
typedef struct _dib_t {
uint32_t dib_size; /* Always 40 */
int32_t width;
int32_t height;
uint16_t plane; /* Always 1 */
uint16_t depth;
uint32_t compression; /* dib_compression_code */
uint32_t size;
uint32_t resolution_h;
uint32_t resolution_v;
uint32_t colour;
uint32_t colour_used;
} dib_t;
typedef struct _colour_table {
uint16_t blue;
uint16_t green;
uint16_t red;
uint16_t fill; /* Always 0 */
} colour_table;
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